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It presents eight word questions involving discount percentages, fractions of colored balls, interpreting coin-toss percentages (including an impossible trick case), and finding amounts based on material composition. Additional items use percentage scoring in a basketball context, compute totals with sales tax, and convert a school survey percentage into an absolute number. An answer section follows each problem with final results.",{"@graph":69,"@context":122},[70,84,105],{"@type":71,"itemListElement":72},"BreadcrumbList",[73,77,79,82],{"item":74,"name":75,"@type":76,"position":8},"https://docshare.wps.com","Home","ListItem",{"item":78,"name":9,"@type":76,"position":14},"https://docshare.wps.com/document/",{"item":80,"name":20,"@type":76,"position":81},"https://docshare.wps.com/document/exam/",3,{"item":83,"name":65,"@type":76,"position":19},"https://docshare.wps.com/document/percentage-of-number-problems-3a-find-the-answers/637417/",{"url":83,"name":65,"@type":85,"image":86,"author":91,"headline":65,"publisher":94,"fileFormat":97,"inLanguage":63,"description":67,"dateModified":98,"datePublished":99,"encodingFormat":97,"isAccessibleForFree":100,"interactionStatistic":101},"DigitalDocument",{"url":87,"@type":88,"width":89,"height":90},"https://docshare.wps.com/thumbnails/percentage-of-number-problems-3a-find-the-answers/637417.png","ImageObject",300,407,{"name":92,"@type":93},"A glass of water","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-11-03","2026-10-22",true,{"@type":102,"interactionType":103,"userInteractionCount":34},"InteractionCounter",{"@type":104},"ViewAction",{"@type":106,"mainEntity":107},"FAQPage",[108,114,118],{"name":109,"@type":110,"acceptedAnswer":111},"How do you calculate the reduced price when an item is discounted by 30%?","Question",{"text":112,"@type":113},"Find 30% of the original price and subtract it from the original. For $200 reduced by 30%, the reduction is $60 and the sale price is $140.","Answer",{"name":115,"@type":110,"acceptedAnswer":116},"Why is the coin-toss question considered impossible?",{"text":117,"@type":113},"Because it says the coin was tossed “more than 60 times” but does not give the exact number of tosses. Without the exact toss count, the number of heads cannot be determined uniquely.",{"name":119,"@type":110,"acceptedAnswer":120},"How do you compute the final cost after adding 10% sales tax to a $60 item?",{"text":121,"@type":113},"Add 10% of $60 to the original price. 10% of $60 is $6, so the total cost is $66.","https://schema.org",{"og:url":83,"og:type":124,"og:title":65,"og:site_name":95,"og:description":67},"article",{"robots":126,"canonical":83},"index,follow",{"doc_id":128,"site_id":62},637417,1792994677,{"code":4,"msg":5,"data":131},{"doc_id":128,"user_id":132,"nickname":92,"user_avatar":133,"doc_module":4,"category_id":19,"category_name":20,"doc_title":65,"doc_description":67,"doc_content":134,"file_id":135,"file_url":136,"file_type":137,"file_size":138,"view_count":34,"is_deleted":4,"is_public":8,"is_downloadable":8,"audit_status":8,"page_count":14,"language":139,"language_code":63,"site_id":62,"html_lang":63,"table_of_contents":140,"faqs":141,"seo_title":142,"seo_description":67,"update_tm":143,"read_time":24},962090760832,"https://ap-avatar.wpscdn.com/davatar_155a257f0dc6eb9ab79c44ca47cae57d","PERCENTAGE OF NUMBER PROBLEMS 3A  \nFind the answers to these percentage of number word problems. Can you spot the impossible/trick problem?  \n1) A bike costs $200 but is reduced by 30% in a sale.  \nHow much is the bike reduced by?  \nWhat does it cost in the sale?  \n| 2) A bag contains some red, blue and yellow balls. 30% of the balls are blue and 40% are red.\u003Cbr>If there are 50 balls in the bag, |  |\n| --- | --- |\n| how many are yellow? | |\n\n3) I toss a coin more than 60 times. It comes down tails 40% of the time.  \nHow many heads did I toss?   \n4) A piece of hematite contains 70% iron. If the hematite weighed 60g, how much iron would there be?  \n\n| 5) In a basketball game, Sally is the top scorer with 40% of the team’s points. If the team scored 30 points, how |  |\n| --- | --- |\n| many has Sally scored? | |\n\n6) A survey of 250 trees in a small wood showed that 30% were oak trees, 20% were birch trees and the remainder were pine trees. How many pine trees were there?  \n7) A toy helicopter costs $60 before sales tax. If the sales tax is 10%, how  \nmuch would it cost to buy?   \n8) In a school survey of 300 pupils, 70% walk to school regularly. How many children is this?  \nDid you manage to find the impossible problem?  \nPERCENTAGE OF NUMBER PROBLEMS 3A ANSWERS  \n1) A bike costs $200 but is reduced by 30% in a sale.  \nHow much is the bike reduced by?  \nAnswer: $60  \nWhat does it cost in the sale?  \nAnswer: $140  \n2) A bag contains some red, blue and yellow balls. 30% of the balls are blue and 40% are red.  \nIf there are 50 balls in the bag, how many are yellow?  \nAnswer: 15 yellow balls  \n3) I toss a coin more than 60 times. It comes down tails 40% of the time. How many heads did I toss?  \nImpossible question – we do not know the exact number of tosses.  \n4) A piece of hematite contains 70% iron. If the hematite weighed 60g, how much iron would there be?  \nAnswer: 42g of iron  \n5) In a basketball game, Sally is the top scorer with 40% of the team’s points. If the team scored 30 points, how many has Sally scored?  \nAnswer: 12 points  \n6) A survey of 250 trees in a small wood showed that 30% were oak trees, 20% were birch trees and the remainder were pine trees. How many pine trees were there?  \nAnswer: 125 pine trees  \n\n| 7) A toy helicopter costs $60 before sales tax. If the sales tax is 10%, how |  |\n| --- | --- |\n| much would it cost to buy?\u003Cbr>Answer: $66 | |\n\n8) In a school survey of 300 pupils, 70% walk to school regularly. How many children is this?  \nAnswer: 210 children","cbCaioYNdwKUwTRk","https://ap.wps.com/l/cbCaioYNdwKUwTRk","pdf",233341,"English","# Percentage of Number Problems 3A\n## Answers","[{\"question\":\"How do you calculate the reduced price when an item is discounted by 30%?\",\"answer\":\"Find 30% of the original price and subtract it from the original. For $200 reduced by 30%, the reduction is $60 and the sale price is $140.\"},{\"question\":\"Why is the coin-toss question considered impossible?\",\"answer\":\"Because it says the coin was tossed “more than 60 times” but does not give the exact number of tosses. Without the exact toss count, the number of heads cannot be determined uniquely.\"},{\"question\":\"How do you compute the final cost after adding 10% sales tax to a $60 item?\",\"answer\":\"Add 10% of $60 to the original price. 10% of $60 is $6, so the total cost is $66.\"}]","Percentage of Number Problems 3A - Find the Answers | PDF",1792680501]